Tuning control mechanism for radio receivers,申请号US19440566666-传众专利搜索

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发明名称	Tuning control mechanism for radio receivers
摘要
申请公布号	US2453252(A)	申请公布日期	1948.11.09
申请号	US19440566666	申请日期	1944.12.05
申请人	RADIO CORPORATION OF AMERICA	发明人	NEWMAN WILLIAM EDWARD
分类号	H03J7/30	主分类号	H03J7/30
代理机构		代理人
主权项
地址

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